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FeSO4*7H2O + 2 NaOH = Fe(OH)2 + 7 H2O + Na2SO4
Hg2 + K2CrO4 = HgCrO4 + K =>
Hg2 + 2 K2CrO4 = 2 HgCrO4 + 4 K
CO3 + H2 + Na2CO3 = NaHCO3 =>
CO3 + H2 + Na2CO3 = 2 NaHCO3
NaOH(aq) + KCl(aq) = NaCl + KOH =>
NaOH(aq) + KCl(aq) = NaCl + KOH
Ag3NO + Na4SO = Ag4SO + Na3NO =>
4 Ag3NO + 3 Na4SO = 3 Ag4SO + 4 Na3NO
Ca(OH)2 + HBr = CaBr2 + H2OH2O =>
Ca(OH)2 + 2 HBr = CaBr2 + H2OH2O
KOHHNO3 = HOHKNO3 =>
KOHHNO3 = HOHKNO3
C6H7N + O2 = CO2 + H2O + NO2 =>
4 C6H7N + 35 O2 = 24 CO2 + 14 H2O + 4 NO2
CuCl2 + Al2O3 = CuO3 + Cl2Al2 =>
CuCl2 + Al2O3 = CuO3 + Cl2Al2
MnO2 + HCl2O3 + KOH = K2MnO4 + KCl + H2O =>
7 MnO2 + 2 HCl2O3 + 18 KOH = 7 K2MnO4 + 4 KCl + 10 H2O
NaBr + HNO3 + FeCl3 = HBr + NaCl + Fe(NO3)3 =>
3 NaBr + 3 HNO3 + FeCl3 = 3 HBr + 3 NaCl + Fe(NO3)3
Al + FeNo3 = Fe + Al(No3)3 =>
Al + 3 FeNo3 = 3 Fe + Al(No3)3
AlCl3 + HNO3 = HCl + Al(NO3)3 =>
AlCl3 + 3 HNO3 = 3 HCl + Al(NO3)3
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
H2 + O + Mg = MgOH =>
H2 + 2 O + 2 Mg = 2 MgOH
H2 + Al2O3 = Al2 + H2O3 =>
H2 + Al2O3 = Al2 + H2O3
FeO(s) + H2O(l) + CO2(g) = Fe3O4(s) + CH4(g) =>
12 FeO(s) + 2 H2O(l) + CO2(g) = 4 Fe3O4(s) + CH4(g)
NH3H2O + HCl = NH4Cl + H2O =>
NH3H2O + HCl = NH4Cl + H2O
Hg + I = HgI2 =>
Hg + 2 I = HgI2
NH3H2O + HCl = NH4Cl + H2O =>
NH3H2O + HCl = NH4Cl + H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
CH3CH(Cl)CH3NaOH = CH3CH(OH)CH3NaCl =>
CH3CH(Cl)CH3NaOH = CH3CH(OH)CH3NaCl
Na2C2O4 + KMnO4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 + Na2SO4 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4 + 5 Na2SO4
H2S2O3 = H2OSO2S =>
H2S2O3 = H2OSO2S
MgSO3SO2 = MgSO4SO =>
MgSO3SO2 = MgSO4SO
AlOH + H2SO4 = AlSO4 + H2 + O2 =>
2 AlOH + 2 H2SO4 = 2 AlSO4 + 3 H2 + O2
KOH + AgCl = KCl + Ag + O2 + H2O =>
4 KOH + 4 AgCl = 4 KCl + 4 Ag + O2 + 2 H2O
Na3PO4 + CuSO4 = Na6(SO4)3 + Cu3(PO4)2 =>
2 Na3PO4 + 3 CuSO4 = Na6(SO4)3 + Cu3(PO4)2
CuO + Cr2O3 = CuCr2O4 =>
CuO + Cr2O3 = CuCr2O4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
H2AsO4 + Zn + HNO3 = AsH4 + Zn(NO3)2 + H2O =>
H2AsO4 + 5 Zn + 10 HNO3 = AsH4 + 5 Zn(NO3)2 + 4 H2O
HHe = H2 + He =>
2 HHe = H2 + 2 He
K3Fe(CN)6 + NH4SCN = KSCN + (NH4)3Fe(CN)6 = =>
K3Fe(CN)6 + 3 NH4SCN = 3 KSCN + (NH4)3Fe(CN)6
NFeS = NSFe =>
NFeS = NSFe
NaCl + H2S = Na2S + Cl2 + H2 =>
2 NaCl + H2S = Na2S + Cl2 + H2
HNO3BaCl2 = HCl2BaNO3 =>
HNO3BaCl2 = HCl2BaNO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ba(HSO3)2 + KOH = (BaOH)2SO3 + K2SO3 + H2O =>
2 Ba(HSO3)2 + 6 KOH = (BaOH)2SO3 + 3 K2SO3 + 4 H2O
KCl + Hg = K2Hg + Cl2 =>
2 KCl + Hg = K2Hg + Cl2
Si + O2 = SiO2(s) =>
Si + O2 = SiO2(s)
Cu(ClO4)2(aq) + K2S(aq) = CuS(s) + KClO4(aq) =>
Cu(ClO4)2(aq) + K2S(aq) = CuS(s) + 2 KClO4(aq)
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
KFeO2 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O =>
2 KFeO2 + 4 H2SO4 = Fe2(SO4)3 + K2SO4 + 4 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C17H35COOH + Na2CO3 = C17H35COONa + H2O + CO2 =>
2 C17H35COOH + Na2CO3 = 2 C17H35COONa + H2O + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaHCO3 + NaHSO4 = Na2SO4 + H2O + CO2 =>
NaHCO3 + NaHSO4 = Na2SO4 + H2O + CO2
FeO2Al = FeAlO2 =>
FeO2Al = FeAlO2
CH3(CH2)7CHCH(CH2)7COOH + NaOH = CH3(CH2)7CHCH(CH2)7COONa + H2O =>
CH3(CH2)7CHCH(CH2)7COOH + NaOH = CH3(CH2)7CHCH(CH2)7COONa + H2O
HSO4{-} + Cr2O7{2-} = O3SOOSO3{2-} + Cr{3+} + H2O + e =>
14 HSO4{-} + Cr2O7{2-} = 7 O3SOOSO3{2-} + 2 Cr{3+} + 7 H2O + 8e
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